I highly doubt that taking mainland USA is China’s goal. They have always been interested in regional hegemony.
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Regional, once upon a time. Now, they have world domination in mind.
Just read some of their speeches; look at their Road and Belt Initiative; their purchase of Ports on every continent - they were stopped at the last minute in their bid for the port of LA. The list goes on. The old timers - the CCP Mao Revolutionaries want to live where its clean - and that’s here. Slow and steady, until they finish their genetic weapons; the PLA is even now collecting DNA from pregnant women all over the world toward that end.
They want America’s clean air water and soil. They already have Civil and PLA police in Vancouver, BC. Its all about living room for the master race - the Han Chinese. See the Secret Speech of General Chi Haotian (former PLA Deputy Defense Minister for the CCP).
I don’t buy it. But such a thing would be interesting discussion.
This thread is about war with Taiwan. Since you appear to have plenty of information behind your assertion you should open up a thread on that topic. It’s basically off topic for this discussion.